Whether you’re looking to expand your Dungeons & Dragons Sports betting site B Sports library or you’re just getting into the game, Amazon Prime Day 2021 has a huge sale on books, and you can save up to 50% off on most of the books Wizards of the Coast has released. Additionally, most of these books are eligible for Amazon’s buy one, get one 50% off promo. When you add two of these books to your cart, the cheaper book will get an additional 50% off, on top of existing discounts. From the Player’s Handbook, which will get you started on your D&D adventure, to Guildmasters’ Guide to Ravnica, which expands on community within cities, it’s a great time to pick up some new D&D books.

These Prime Day deals include one of the best D&D sourcebooks to date, Van Richten’s Guide to Ravenloft, which adds a new horror element to your games–and new monsters like a brain in a jar. Originally priced at $50, Van Richten’s Guide to Ravenloft currently costs $30.